Update.

2003-10-06  Ulrich Drepper  <drepper@redhat.com>

	* timezone/asia: Update from tzdata2003d.
	* australasia: Likewise.
	* backward: Likewise.
	* europe: Likewise.
	* iso3166.tab: Likewise.
	* northamerica: Likewise.
	* southamerica: Likewise.
	* zone.tab: Likewise.

	modified after comments from Ulrich Drepper.

9 files changed, 327 insertions, 165 deletions

diff --git a/ChangeLog b/ChangeLog
index 35e2fd3045..b3ded04cd7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+2003-10-06  Ulrich Drepper  <drepper@redhat.com>
+
+	* timezone/asia: Update from tzdata2003d.
+	* australasia: Likewise.
+	* backward: Likewise.
+	* europe: Likewise.
+	* iso3166.tab: Likewise.
+	* northamerica: Likewise.
+	* southamerica: Likewise.
+	* zone.tab: Likewise.
+
 2003-10-05  Jakub Jelinek  <jakub@redhat.com>
 
 	* sysdeps/ia64/backtrace.c: New file.
@@ -31,7 +42,7 @@
 	(_help, __argp_error, __argp_failure) [!_LIBC && (HAVE_FLOCKFILE
 	&& HAVE_FUNLOCKFILE)]: Protect call to flockfile and funlockfile.
 	(__argp_basename) [!_LIBC]: New. Taken from LSH, by Niels Möller,
-	modifed after comments from Ulrich Drepper.
+	modified after comments from Ulrich Drepper.
 	(__argp_short_program_name): Ditto.
 	(__argp_state_help, __argp_error, __argp_failure): Use it.
 	(__argp_failure): Use strerror when necessary.
diff --git a/timezone/asia b/timezone/asia
index 92a9aa17ec..496809313c 100644
--- a/timezone/asia
+++ b/timezone/asia
@@ -1,4 +1,4 @@
-# @(#)asia	7.71
+# @(#)asia	7.72
 
 # This data is by no means authoritative; if you think you know better,
 # go ahead and edit the file (and please send any changes to
@@ -736,44 +736,19 @@ Zone	Asia/Jerusalem	2:20:56 -	LMT	1880
 			2:20:40	-	JMT	1918	# Jerusalem Mean Time?
 			2:00	Zion	I%sT
 
-# From Ephraim Silverberg (2002-07-07):
+# From Ephraim Silverberg (2003-03-23):
 #
-# The Israeli government today adopted a proposal by Minister of Interior
-# Eli Yishai to shorten the period of Daylight Savings Time for the year
-# 2002 (only -- the dates for 2003 and 2004 are, so far, unaffected).
+# Minister of Interior Poraz has announced that he will respect the law
+# passed in July 2000 (proposed at the time jointly by himself and
+# then-MK David Azulai [Shas]) fixing the dates for 2000-2004.  Hence,
+# the dates for 2003 and 2004 remain unchanged....
 #
-# The proposed date to Daylight Savings Time is September 13, 2002 instead
-# of the current date: October 7, 2002.  The hour of changeover has not
-# yet been decided.
-#
-# (2002-07-10):
-# While today the Knesset passed the initial proposal to reduce DST by
-# some three weeks, a new compromise is being worked out between
-# Minister of Justice Meir Sheetrit and Minister of Interior Eli
-# Yishai to revert to standard time for a period of 48-96 _hours_
-# (sic) around the Yom Kippur fast day (September 15-16) and then go
-# *back* to DST until the end of October.  The details of the proposal
-# have yet to be worked out, but the second and final readings of the
-# bill have until July 24 to pass.
-#
-# (2002-07-25):
-# Thanks go to Yitschak Goldberg from E&M for bringing this (Hebrew) article
-# to my attention:
-#
-#	http://www.ynet.co.il/articles/0,7340,L-2019315,00.html
-#
-# Hence, the proposal to shorten DST was withdrawn yesterday and the timezone
-# files that have been in effect since July 2000 are still valid for all of
-# 2002.
-#
-# Please note that the article mentions that the Shas MK's intend to
-# bring up their amendment for future years (2003 and beyond).  What this
-# means exactly is anyone's guess since there are no set dates yet beyond
-# 2004 and the end day set for 2003 and 2004 is already the 7th of Tishrei
-# (i.e. before the fast of Yom Kippur).  The only thing they may want to
-# change is the start date of DST in 2003 from Mar.28.03 (24th of Adar II)
-# to Apr.18.03 (16th of Nisan) so that the Passover Seder will take place
-# during Standard Time.  The start date for 2004 is already Nisan 16th.
+# As far as 2005 and beyond, no dates have been set.  However, the
+# minister has mentioned that he wishes to propose to move Israel's
+# timezone in 2005 from GMT+2 to GMT+3 and upon that have DST during
+# the summer months (i.e. GMT+4).  However, no legislation in this
+# direction is expected until the latter part of 2004 which is a long
+# time off in terms of Israeli politics.
 
 
 
@@ -926,7 +901,7 @@ Zone	Asia/Aqtau	3:21:04	-	LMT	1924 May  2
 			6:00	-	SHET	1982 Apr  1
 			5:00 RussiaAsia	SHE%sT	1991
 			5:00	-	SHET	1991 Dec 16 # independence
-			5:00 RussiaAsia	AQT%sT	1995 Sep lastSun # Aqtau Time
+			5:00 RussiaAsia	AQT%sT	1995 Mar lastSun 2:00 # Aqtau Time
 			4:00 RussiaAsia	AQT%sT
 # West Kazakhstan
 Zone	Asia/Oral	3:25:24	-	LMT	1924 May  2 # or Ural'sk
diff --git a/timezone/australasia b/timezone/australasia
index 5fc7b1b58b..d8a8e36d53 100644
--- a/timezone/australasia
+++ b/timezone/australasia
@@ -1,4 +1,4 @@
-# @(#)australasia	7.68
+# @(#)australasia	7.69
 # This file also includes Pacific islands.
 
 # Notes are at the end of this file
@@ -297,45 +297,37 @@ Zone	Pacific/Noumea	11:05:48 -	LMT	1912 Jan 13
 ###############################################################################
 
 # New Zealand
-#
-# From Paul Eggert (2002-10-23):
-# The Department of Internal Affairs (DIA) maintains a brief history;
-# see tz-link.htm for the full reference.
-#
-# Shanks gives 1868 for the introduction of standard time; go with the
-# DIA's more-precise 1868-11-02.  The DIA says that clocks were
-# advanced by half an hour in 1941; go with Shanks's more-precise
-# 1940-09-29 02:00.  The DIA says that starting in 1933 DST began the
-# first Sunday in September; go with Shanks's last Sunday starting in
-# 1934.
 
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-# Shanks gives 1927 Nov 6 - 1928 Mar 4, 1928 Oct 14 - 1929 Mar 17,
-# 1929 Oct 13 - 1930 Mar 16; go with Whitman.
-Rule	NZ	1927	only	-	Nov	26	2:00	0:30	HD
-Rule	NZ	1928	1929	-	Mar	Sun>=1	2:00	0	S
-Rule	NZ	1928	only	-	Nov	 4	2:00	0:30	HD
-Rule	NZ	1929	only	-	Oct	30	2:00	0:30	HD
-Rule	NZ	1930	1933	-	Mar	Sun>=15	2:00	0	S
-Rule	NZ	1930	1933	-	Oct	Sun>=8	2:00	0:30	HD
-# Whitman says DST went on and off during war years, and the base UT offset
-# didn't change until 1945 Apr 30; go with Shanks.
-Rule	NZ	1934	1940	-	Apr	lastSun	2:00	0	S
-Rule	NZ	1934	1939	-	Sep	lastSun	2:00	0:30	HD
+Rule	NZ	1927	only	-	Nov	 6	2:00	1:00	S
+Rule	NZ	1928	only	-	Mar	 4	2:00	0	M
+Rule	NZ	1928	1933	-	Oct	Sun>=8	2:00	0:30	S
+Rule	NZ	1929	1933	-	Mar	Sun>=15	2:00	0	M
+Rule	NZ	1934	1940	-	Apr	lastSun	2:00	0	M
+Rule	NZ	1934	1940	-	Sep	lastSun	2:00	0:30	S
+Rule	NZ	1946	only	-	Jan	 1	0:00	0	S
+# Since 1957 Chatham has been 45 minutes ahead of NZ, but there's no
+# convenient notation for this so we must duplicate the Rule lines.
 Rule	NZ	1974	only	-	Nov	Sun>=1	2:00s	1:00	D
+Rule	Chatham	1974	only	-	Nov	Sun>=1	2:45s	1:00	D
 Rule	NZ	1975	only	-	Feb	lastSun	2:00s	0	S
+Rule	Chatham	1975	only	-	Feb	lastSun	2:45s	0	S
 Rule	NZ	1975	1988	-	Oct	lastSun	2:00s	1:00	D
+Rule	Chatham	1975	1988	-	Oct	lastSun	2:45s	1:00	D
 Rule	NZ	1976	1989	-	Mar	Sun>=1	2:00s	0	S
+Rule	Chatham	1976	1989	-	Mar	Sun>=1	2:45s	0	S
 Rule	NZ	1989	only	-	Oct	Sun>=8	2:00s	1:00	D
+Rule	Chatham	1989	only	-	Oct	Sun>=8	2:45s	1:00	D
 Rule	NZ	1990	max	-	Oct	Sun>=1	2:00s	1:00	D
-Rule	NZ	1990	max	-	Mar	Sun>=15	2:00s	0	S
 Rule	Chatham	1990	max	-	Oct	Sun>=1	2:45s	1:00	D
-Rule	Chatham	1991	max	-	Mar	Sun>=15	2:45s	0	S
+Rule	NZ	1990	max	-	Mar	Sun>=15	2:00s	0	S
+Rule	Chatham	1990	max	-	Mar	Sun>=15	2:45s	0	S
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone Pacific/Auckland	11:39:04 -	LMT	1868 Nov  2
-			11:30	NZ	NZ%sT	1940 Sep 29 2:00
+			11:30	NZ	NZ%sT	1946 Jan  1
 			12:00	NZ	NZ%sT
-Zone Pacific/Chatham	12:45	Chatham	CHA%sT
+Zone Pacific/Chatham	12:13:48 -	LMT	1957 Jan  1
+			12:45	Chatham	CHA%sT
 
 
 # Auckland Is
@@ -443,6 +435,8 @@ Zone Pacific/Johnston	-10:00	-	HST
 
 # Midway
 Zone Pacific/Midway	-11:49:28 -	LMT	1901
+			-11:00	-	NST	1956 Jun  3
+			-11:00	1:00	NDT	1956 Sep  2
 			-11:00	-	NST	1967 Apr	# N=Nome
 			-11:00	-	BST	1983 Nov 30	# B=Bering
 			-11:00	-	SST			# S=Samoa
@@ -513,7 +507,8 @@ Zone	Pacific/Wallis	12:15:20 -	LMT	1901
 #	 10:00	EST EST	Eastern Australia
 #	 10:00	ChST	Chamorro
 #	 10:30	LHST LHST Lord Howe*
-#	 12:00	NZST NZDT New Zealand
+#	 11:30	NZMT NZST New Zealand through 1945
+#	 12:00	NZST NZDT New Zealand 1946-present
 #	 12:45	CHAST CHADT Chatham*
 #	-11:00	SST	Samoa
 #	-10:00	HST	Hawaii
@@ -1067,11 +1062,14 @@ Zone	Pacific/Wallis	12:15:20 -	LMT	1901
 # time on both the first Sunday in October and the third Sunday in March.
 # As with Australia, we'll assume the tradition is 2:00s, not 2:00.
 #
-# From Paul Eggert (1999-10-29):
-# Shanks gives no time data for Chatham; usno1989 says it's +12:45,
-# usno1995 says it's +12:45/+13:45, and IATA SSIM (1991/1999)
-# gives the NZ rules but with transitions at 2:45 local standard time.
-# Guess that they have been in lock-step with NZ since 1990.
+# From Paul Eggert (2003-05-26):
+# The Department of Internal Affairs (DIA) maintains a brief history,
+# as does Carol Squires; see tz-link.htm for the full references.
+# Use these sources in preference to Shanks.
+#
+# For Chatham, IATA SSIM (1991/1999) gives the NZ rules but with
+# transitions at 2:45 local standard time; this confirms that Chatham
+# is always exactly 45 minutes ahead of Auckland.
 
 ###############################################################################
 
@@ -1154,6 +1152,23 @@ Zone	Pacific/Wallis	12:15:20 -	LMT	1901
 # We don't know when Kosrae switched from UTC+12; assume January 1 for now.
 
 
+# Midway
+
+# From Charles T O'Connor, KMTH DJ (1956),
+# quoted in the KTMH section of the Radio Heritage Collection
+# <http://radiodx.com/spdxr/KMTH.htm> (2002-12-31):
+# For the past two months we've been on what is known as Daylight
+# Saving Time.  This time has put us on air at 5am in the morning,
+# your time down there in New Zealand.  Starting September 2, 1956
+# we'll again go back to Standard Time.  This'll mean that we'll go to
+# air at 6am your time.
+#
+# From Paul Eggert (2003-03-23):
+# We don't know the date of that quote, but we'll guess they
+# started DST on June 3.  Possibly DST was observed other years
+# in Midway, but we have no record of it.
+
+
 # Pitcairn
 
 # From Rives McDow (1999-11-08):
@@ -1277,6 +1292,24 @@ Zone	Pacific/Wallis	12:15:20 -	LMT	1901
 # From Pulu 'Anau (2002-11-05):
 # The law was for 3 years, supposedly to get renewed.  It wasn't.
 
+
+# Wake
+
+# From Vernice Anderson, Personal Secretary to Philip Jessup,
+# US Ambassador At Large (oral history interview, 1971-02-02):
+#
+# Saturday, the 14th [of October, 1950] -- ...  The time was all the
+# more confusing at that point, because we had crossed the
+# International Date Line, thus getting two Sundays.  Furthermore, we
+# discovered that Wake Island had two hours of daylight saving time
+# making calculation of time in Washington difficult if not almost
+# impossible.
+#
+# http://www.trumanlibrary.org/wake/meeting.htm
+
+# From Paul Eggert (2003-03-23):
+# We have no other report of DST in Wake Island, so omit this info for now.
+
 ###############################################################################
 
 # The International Date Line
diff --git a/timezone/backward b/timezone/backward
index eace5ab33b..8ae66f7fdc 100644
--- a/timezone/backward
+++ b/timezone/backward
@@ -1,4 +1,4 @@
-# @(#)backward	7.23
+# @(#)backward	7.24
 
 # This file provides links between current names for time zones
 # and their old names.  Many names changed in late 1993.
@@ -36,7 +36,7 @@ Link	America/Manaus		Brazil/West
 Link	America/Halifax		Canada/Atlantic
 Link	America/Winnipeg	Canada/Central
 Link	America/Regina		Canada/East-Saskatchewan
-Link	America/Montreal	Canada/Eastern
+Link	America/Toronto		Canada/Eastern
 Link	America/Edmonton	Canada/Mountain
 Link	America/St_Johns	Canada/Newfoundland
 Link	America/Vancouver	Canada/Pacific
diff --git a/timezone/europe b/timezone/europe
index 50fe876934..0bd7ed827a 100644
--- a/timezone/europe
+++ b/timezone/europe
@@ -1,4 +1,4 @@
-# @(#)europe	7.83
+# @(#)europe	7.84
 
 # This data is by no means authoritative; if you think you know better,
 # go ahead and edit the file (and please send any changes to
@@ -24,6 +24,10 @@
 #	Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated),
 #	which I found in the UCLA library.
 #
+#	<a href="http://www.pettswoodvillage.co.uk/Daylight_Savings_William_Willett.pdf">
+#	William Willett, The Waste of Daylight, 19th edition
+#	</a> (1914-03)
+#
 #	Brazil's Departamento Servico da Hora (DSH),
 #	<a href="http://pcdsh01.on.br/HISTHV.htm">
 #	History of Summer Time
@@ -125,7 +129,7 @@
 # transition date for London, namely 1847-12-01.  We don't know as much
 # about Dublin, so we use 1880-08-02, the legal transition time.
 
-# From Paul Eggert (1999-01-30):
+# From Paul Eggert (2003-07-29):
 # Summer Time was first seriously proposed by William Willett (1857-1915),
 # a London builder and member of the Royal Astronomical Society
 # who circulated a pamphlet ``The Waste of Daylight'' (1907)
@@ -133,14 +137,24 @@
 # and retarding them by the same amount on four Sundays in September.
 # A bill was drafted in 1909 and introduced in Parliament several times,
 # but it met with ridicule and opposition, especially from farming interests.
-# One-hour Summer Time was eventually adopted as a wartime measure in 1916.
-# See:
-# <a href="http://www.the-times.co.uk/news/pages/tim/2000/05/18/x-timcrtcrt01011.html">
-# Summer Time Arrives Early, The Times (2000-05-18)
-# </a>
-# A monument was erected in 1927 to Willett, in an open space in a 45-acre wood
-# near Chiselhurst, Kent that was purchased by popular subscription and open
-# to the public.
+# Later editions of the pamphlet proposed one-hour summer time, and
+# it was eventually adopted as a wartime measure in 1916.
+# See: Summer Time Arrives Early, The Times (2000-05-18).
+# A monument to Willett was unveiled on 1927-05-21, in an open space in
+# a 45-acre wood near Chiselhurst, Kent that was purchased by popular
+# subscription and open to the public.  On the south face of the monolith,
+# designed by G. W. Miller, is the the William Willett Memorial Sundial,
+# which is permanently set to Summer Time.
+
+# From Winston Churchill (1934-04-28):
+# It is one of the paradoxes of history that we should owe the boon of
+# summer time, which gives every year to the people of this country
+# between 160 and 170 hours more daylight leisure, to a war which
+# plunged Europe into darkness for four years, and shook the
+# foundations of civilization throughout the world.
+#	-- <a href="http://www.winstonchurchill.org/fh114willett.htm">
+#	"A Silent Toast to William Willett", Pictorial Weekly
+#	</a>
 
 # From Paul Eggert (1996-09-03):
 # The OED Supplement says that the English originally said ``Daylight Saving''
@@ -1323,7 +1337,7 @@ Zone	Europe/Riga	1:36:24	-	LMT	1880
 			2:00	1:00	EEST	1989 Sep lastSun 2:00s
 			2:00	Latvia	EE%sT	1997 Jan 21
 			2:00	EU	EE%sT	2000 Feb 29
-			2:00	-	EET	2001
+			2:00	-	EET	2001 Jan  2
 			2:00	EU	EE%sT
 
 # Liechtenstein
@@ -1750,8 +1764,10 @@ Rule	Port	1980	only	-	Mar	lastSun	 0:00s	1:00	S
 Rule	Port	1981	1982	-	Mar	lastSun	 1:00s	1:00	S
 Rule	Port	1983	only	-	Mar	lastSun	 2:00s	1:00	S
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Shanks says that the transition from LMT to WET occurred 1911-05-24;
+# Willett says 1912-01-01.  Go with Willett.
 Zone	Europe/Lisbon	-0:36:32 -	LMT	1884
-			-0:36:32 -	LMT	1911 May 24   # Lisbon Mean Time
+			-0:36:32 -	LMT	1912 Jan  1  # Lisbon Mean Time
 			 0:00	Port	WE%sT	1966 Apr  3 2:00
 			 1:00	-	CET	1976 Sep 26 1:00
 			 0:00	Port	WE%sT	1983 Sep 25 1:00s
diff --git a/timezone/iso3166.tab b/timezone/iso3166.tab
index 744cd93805..acd4960889 100644
--- a/timezone/iso3166.tab
+++ b/timezone/iso3166.tab
@@ -6,7 +6,7 @@
 #
 # This file contains a table with the following columns:
 # 1.  ISO 3166-1 alpha-2 country code, current as of
-#     ISO 3166-1 Newsletter No. V-7 (2003-01-14).  See:
+#     ISO 3166-1 Newsletter No. V-8 (2003-07-23).  See:
 #     <a href="http://www.iso.org/iso/en/prods-services/iso3166ma/index.html">
 #     ISO 3166 Maintenance agency (ISO 3166/MA)
 #     </a>.
@@ -69,6 +69,7 @@ CM	Cameroon
 CN	China
 CO	Colombia
 CR	Costa Rica
+CS	Serbia and Montenegro
 CU	Cuba
 CV	Cape Verde
 CX	Christmas Island
@@ -256,7 +257,6 @@ WF	Wallis & Futuna
 WS	Samoa (Western)
 YE	Yemen
 YT	Mayotte
-YU	Serbia and Montenegro
 ZA	South Africa
 ZM	Zambia
 ZW	Zimbabwe
diff --git a/timezone/northamerica b/timezone/northamerica
index ff36fe433e..ca4ad5de57 100644
--- a/timezone/northamerica
+++ b/timezone/northamerica
@@ -1,4 +1,4 @@
-# @(#)northamerica	7.62
+# @(#)northamerica	7.63
 # also includes Central America and the Caribbean
 
 # This data is by no means authoritative; if you think you know better,
@@ -685,9 +685,15 @@ Link	Pacific/Honolulu	HST
 # Except where otherwise noted, Shanks is the source for entries through 1990,
 # and IATA SSIM is the source for entries after 1990.
 #
-# Another source occasionally used is Edward W. Whitman, World Time Differences,
-# Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which
-# I found in the UCLA library.
+# Other sources occasionally used include:
+#
+#	Edward W. Whitman, World Time Differences,
+#	Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated),
+#	which I found in the UCLA library.
+#
+#	<a href="http://www.pettswoodvillage.co.uk/Daylight_Savings_William_Willett.pdf">
+#	William Willett, The Waste of Daylight, 19th edition
+#	</a> (1914-03)
 #
 # See the `europe' file for Greenland.
 
@@ -743,7 +749,8 @@ Link	Pacific/Honolulu	HST
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule	Canada	1918	only	-	Apr	14	2:00	1:00	D
 Rule	Canada	1918	only	-	Oct	31	2:00	0	S
-Rule	Canada	1942	only	-	Feb	 9	2:00	1:00	W
+Rule	Canada	1942	only	-	Feb	 9	2:00	1:00	W # War
+Rule	Canada	1945	only	-	Aug	14	23:00u	1:00	P # Peace
 Rule	Canada	1945	only	-	Sep	30	2:00	0	S
 Rule	Canada	1974	1986	-	Apr	lastSun	2:00	1:00	D
 Rule	Canada	1974	max	-	Oct	lastSun	2:00	0	S
@@ -759,27 +766,20 @@ Rule	Canada	1987	max	-	Apr	Sun>=1	2:00	1:00	D
 # but excluding, say, Black Tickle.
 
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	StJohns	1917	1918	-	Apr	Sun>=8	2:00	1:00	D
+Rule	StJohns	1917	only	-	Apr	 8	2:00	1:00	D
 Rule	StJohns	1917	only	-	Sep	17	2:00	0	S
-Rule	StJohns	1918	only	-	Oct	31	2:00	0	S
 # Whitman gives 1919 Apr 5 and 1920 Apr 5; go with Shanks.
 Rule	StJohns	1919	only	-	May	 5	23:00	1:00	D
 Rule	StJohns	1919	only	-	Aug	12	23:00	0	S
 # For 1931-1935 Whitman gives Apr same date; go with Shanks.
 Rule	StJohns	1920	1935	-	May	Sun>=1	23:00	1:00	D
 Rule	StJohns	1920	1935	-	Oct	lastSun	23:00	0	S
-# For 1936-1941 Shanks gives May Mon>=9 and Oct Mon>=2; go with Whitman.
-Rule	StJohns	1936	1941	-	May	Sun>=8	0:00	1:00	D
-Rule	StJohns	1936	1941	-	Oct	Sun>=1	0:00	0	S
-# Shanks gives 1942 May 11 - 1945 Sep 30; go with Whitman.
-Rule	StJohns	1942	only	-	Mar	 1	0:00	1:00	W
-Rule	StJohns	1942	only	-	Dec	31	0:00	0	S
-Rule	StJohns	1943	only	-	May	30	0:00	1:00	W
-Rule	StJohns	1943	only	-	Sep	 5	0:00	0	S
-Rule	StJohns	1944	only	-	Jul	10	0:00	1:00	W
-Rule	StJohns	1944	only	-	Sep	 2	0:00	0	S
-Rule	StJohns	1945	only	-	Jan	 1	0:00	1:00	W
-Rule	StJohns	1945	only	-	Oct	 7	2:00	0	S
+# For 1936-1941 Whitman gives May Sun>=8 and Oct Sun>=1; go with Shanks.
+Rule	StJohns	1936	1941	-	May	Mon>=9	0:00	1:00	D
+Rule	StJohns	1936	1941	-	Oct	Mon>=2	0:00	0	S
+# Whitman gives the following transitions:
+# 1942 03-01/12-31, 1943 05-30/09-05, 1944 07-10/09-02, 1945 01-01/10-07
+# but go with Shanks and assume they used Canadian rules.
 # For 1946-9 Whitman gives May 5,4,9,1 - Oct 1,5,3,2, and for 1950 he gives
 # Apr 30 - Sep 24; go with Shanks.
 Rule	StJohns	1946	1950	-	May	Sun>=8	2:00	1:00	D
@@ -797,18 +797,24 @@ Rule	StJohns	1989	max	-	Apr	Sun>=1	0:01	1:00	D
 # St John's has an apostrophe, but Posix file names can't have apostrophes.
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone America/St_Johns	-3:30:52 -	LMT	1884
+			-3:30:52 StJohns N%sT	1918
+			-3:30:52 Canada	N%sT	1919
 			-3:30:52 StJohns N%sT	1935 Mar 30
+			-3:30	StJohns	N%sT	1942 May 11
+			-3:30	Canada	N%sT	1946
 			-3:30	StJohns	N%sT
 
-
 # most of east Labrador
 
 # The name `Happy Valley-Goose Bay' is too long; use `Goose Bay'.
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone America/Goose_Bay	-4:01:40 -	LMT	1884 # Happy Valley-Goose Bay
-			-3:30:52 StJohns NST	1919
+			-3:30:52 -	NST	1918
+			-3:30:52 Canada N%sT	1919
 			-3:30:52 -	NST	1935 Mar 30
 			-3:30	-	NST	1936
+			-3:30	StJohns	N%sT	1942 May 11
+			-3:30	Canada	N%sT	1946
 			-3:30	StJohns	N%sT	1966 Mar 15 2:00
 			-4:00	StJohns	A%sT
 
@@ -830,8 +836,6 @@ Zone America/Goose_Bay	-4:01:40 -	LMT	1884 # Happy Valley-Goose Bay
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule Halifax	1916	only	-	Apr	 1	0:00	1:00	D
 Rule Halifax	1916	only	-	Oct	 1	0:00	0	S
-Rule Halifax	1918	only	-	Apr	14	2:00	1:00	D
-Rule Halifax	1918	only	-	Oct	31	2:00	0	S
 Rule Halifax	1920	only	-	May	 9	0:00	1:00	D
 Rule Halifax	1920	only	-	Aug	29	0:00	0	S
 Rule Halifax	1921	only	-	May	 6	0:00	1:00	D
@@ -850,6 +854,7 @@ Rule Halifax	1928	only	-	Sep	 9	0:00	0	S
 Rule Halifax	1929	only	-	Sep	 3	0:00	0	S
 Rule Halifax	1930	only	-	Sep	15	0:00	0	S
 Rule Halifax	1931	1932	-	Sep	Mon>=24	0:00	0	S
+Rule Halifax	1932	only	-	May	 1	0:00	1:00	D
 Rule Halifax	1933	only	-	Apr	30	0:00	1:00	D
 Rule Halifax	1933	only	-	Oct	 2	0:00	0	S
 Rule Halifax	1934	only	-	May	20	0:00	1:00	D
@@ -862,33 +867,55 @@ Rule Halifax	1937	1938	-	May	Sun>=1	0:00	1:00	D
 Rule Halifax	1937	1941	-	Sep	Mon>=24	0:00	0	S
 Rule Halifax	1939	only	-	May	28	0:00	1:00	D
 Rule Halifax	1940	1941	-	May	Sun>=1	0:00	1:00	D
-Rule Halifax	1942	only	-	Feb	9	2:00	1:00	W
-Rule Halifax	1945	1959	-	Sep	lastSun	2:00	0	S
-Rule Halifax	1946	1959	-	Apr	lastSun	2:00	1:00	D
-Rule Halifax	1962	1986	-	Apr	lastSun	2:00	1:00	D
-Rule Halifax	1962	max	-	Oct	lastSun	2:00	0	S
-Rule Halifax	1987	max	-	Apr	Sun>=1	2:00	1:00	D
+Rule Halifax	1946	1949	-	Sep	lastSun	2:00	0	S
+Rule Halifax	1946	1949	-	Apr	lastSun	2:00	1:00	D
+Rule Halifax	1951	1954	-	Sep	lastSun	2:00	0	S
+Rule Halifax	1951	1954	-	Apr	lastSun	2:00	1:00	D
+Rule Halifax	1956	1959	-	Sep	lastSun	2:00	0	S
+Rule Halifax	1956	1959	-	Apr	lastSun	2:00	1:00	D
+Rule Halifax	1962	1973	-	Apr	lastSun	2:00	1:00	D
+Rule Halifax	1962	1973	-	Oct	lastSun	2:00	0	S
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone America/Halifax	-4:14:24 -	LMT	1902 Jun 15
-			-4:00	Halifax	A%sT
+			-4:00	Halifax	A%sT	1918
+			-4:00	Canada	A%sT	1919
+			-4:00	Halifax	A%sT	1942 Feb  9 2:00s
+			-4:00	Canada	A%sT	1946
+			-4:00	Halifax	A%sT	1974
+			-4:00	Canada	A%sT
 Zone America/Glace_Bay	-3:59:48 -	LMT	1902 Jun 15
 			-4:00	Canada	A%sT	1953
 			-4:00	Halifax	A%sT	1954
 			-4:00	-	AST	1972
-			-4:00	Halifax	A%sT
+			-4:00	Halifax	A%sT	1974
+			-4:00	Canada	A%sT
 
 
 # Ontario, Quebec
 
 # From Paul Eggert (1996-06-12):
-# Shanks writes that since 1970 most of this region has been like Montreal.
+# Shanks writes